Flexible bags – With closure – Self-closing type
Patent
1994-06-09
1995-12-05
Pascua, Jes F.
Flexible bags
With closure
Self-closing type
150150, B65D 3324
Patent
active
054722810
ABSTRACT:
A self closing receptacle is provided comprising an elongated flexible tube having a pair of ends. The tube has a central portion intermediate its ends, the central portion having an exterior surface with a first convex curvature transverse to a direction of elongation of the flexible tube. Each one of the pair of ends is crimped together to seal the central portion. The crimped ends are arranged to align with one another through a plane such that the exterior surface has a second convex curvature in the direction of elongation outside of the plane, and a concave curvature in the direction of elongation within the plane. The central portion has an axially directed slot in the plane through the concave curvature such that the central portion bows outward and the slot deforms in response to squeezing pressure applied along the crimped ends to permit insertion or removal of an object through the slot. A method of making the foregoing receptacle is also provided.
REFERENCES:
patent: Re24166 (1956-06-01), Stiller
patent: 820067 (1906-05-01), Richardson
patent: 2720903 (1955-10-01), Pickren
patent: 3063487 (1962-11-01), Mullin
patent: 3176743 (1965-04-01), Bundy
patent: 3272248 (1966-09-01), O'Farrell
patent: 5069261 (1991-12-01), Ji
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